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<div id="winchm_template_top">
	<div id="winchm_template_button"><A href="bug_check_0x9f__driver_power_state_failure.htm" title="Previous topic"><img id="winchm_template_prev" alt="Previous topic" src="../template2/btn_prev_n.gif" border="0"></a><A href="bug_check_0xa1__pci_bus_driver_internal.htm" title="Next topic"><img id="winchm_template_next" alt="Next topic" src="../template2/btn_next_n.gif" border="0"></a></div>
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<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="bug_checks__blue_screens_.htm">Bug Checks (Blue Screens)</A> &gt; <A href="bug_check_code_reference2.htm">Bug Check Code Reference</A> &gt; </div>
	<div id="winchm_template_title">Bug Check 0xA0: INTERNAL_POWER_ERROR</div>
</div>
<div id="winchm_template_container">
	<div id="winchm_template_content"><div id="mainSection"><p>The INTERNAL_POWER_ERROR bug check has a value of 0x000000A0. This bug check indicates that the power policy manager experienced a fatal error.</p>
<p>
<div class="alert"><b>Important </b>This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see 
            <a href="http://windows.microsoft.com/en-us/windows-10/troubleshoot-blue-screen-errors" xmlns:loc="http://microsoft.com/wdcml/l10n">Troubleshoot blue screen errors</a>.</div>
</p>
<h2> INTERNAL_POWER_ERROR Parameters</h2>
<p>The following parameters appear on the blue screen. Parameter 1 indicates the type of violation. The meaning of the other parameters depends on the value of Parameter 1.</p>
<table>
<tr>
<th>Parameter 1</th>
<th>Parameter 2</th>
<th>Parameter 3</th>
<th>Parameter 4</th>
<th>Cause</th>
</tr>
<tr>
<td>
<p>0x1</p>
</td>
<td>
<p><b>1:</b> A device has overrun its maximum number of reference counts.</p>
<p><b>2, 3, or 4: </b> (Windows Server 2003, Windows XP, and Windows 2000 only) Too many inrush power IRPs have been queued.</p>
<p><b>5:</b> (Windows Server 2003, Windows XP, and Windows 2000 only) The power IRP has been sent to a passive level device object.</p>
<p><b>6:</b> The system has failed to allocate a necessary power IRP.</p>
</td>
<td>
<p>If Parameter 2 has a value of 1, the maximum number of references allowed.</p>
<p>If Parameter 2 has a value of 2, 3, or 4, the maximum number of pending IRPs allowed.</p>
<p>If Parameter 2 has a value of 6, the target device object.</p>
</td>
<td>If Parameter 2 has value of 6, indicates whether this is a system (0x0) or device (0x1) power IRP.</td>
<td>
<p>An error occurred during the handling of the power I/O request packet (IRP). </p>
</td>
</tr>
<tr>
<td>
<p>0x2</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>An internal failure has occurred while attempting to process a power event. For more information, see <a href="#Bookmark1740">Debugging bug check 0xA0 when parameter 1 equals 0x2</a>.</p>
</td>
</tr>
<tr>
<td>
<p>0x3</p>
</td>
<td>
<p>The expected checksum </p>
</td>
<td>
<p>The actual checksum </p>
</td>
<td>
<p>The line number of the failure </p>
</td>
<td>
<p>The checksum for a hibernation context page does not match its expected checksum. </p>
</td>
</tr>
<tr>
<td>
<p>0x4</p>
</td>
<td>
<p>The expected checksum </p>
</td>
<td>
<p>The actual checksum </p>
</td>
<td>
<p>The line number of the failure</p>
</td>
<td>
<p>The checksum for a page about to be written to the hibernation file does not match its expected checksum. </p>
</td>
</tr>
<tr>
<td>
<p>0x5</p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>An unknown shutdown code has been sent to the system shutdown handler. </p>
</td>
</tr>
<tr>
<td>
<p>0x7</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>Reserved </p>
</td>
<td>
<p>An unhandled exception has occurred. For more information, see <a href="#Bookmark1740">Debugging bug check 0xA0 when parameter 1 equals 0x7</a>.</p>
</td>
</tr>
<tr>
<td>
<p>0x8</p>
</td>
<td>
<p>This parameter is always set to 0x100.</p>
</td>
<td>
<p>The device object</p>
</td>
<td>
<p> POWER_CHANNEL_SUMMARY</p>
<p></p>
</td>
<td>
<p>A fatal error occurred while processing a system power event.</p>
</td>
</tr>
<tr>
<td>
<p>0x9</p>
</td>
<td>
<p>Status code</p>
</td>
<td>
<p>Mirroring phase</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A fatal error occured while preparing the hibernate file.</p>
</td>
</tr>
<tr>
<td>
<p>0xA</p>
</td>
<td>
<p><b>0:</b> A bug check was requested immediately upon resuming.</p>
<p><b>1:</b> A bug check was requested during resume after all non-pageable
                     devices had been powered on.</p>
<p><b>2:</b> A bug check was requested during resume after all devices
                     had been powered on.</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A bug check was requested when waking for debugging purposes.</p>
</td>
</tr>
<tr>
<td>
<p>0xB</p>
</td>
<td>
<p>Size of the hibernation file.</p>
</td>
<td>
<p>Hibernation progress before running out of space</p>
<p><b>0:</b> HIBERFILE_PROGRESS_FREE_MAP</p>
<p><b>1:</b> HIBERFILE_PROGRESS_RESUME_CONTEXT</p>
<p><b>2:</b> HIBERFILE_PROGRESS_PROCESSOR_STATEE</p>
<p><b>3:</b> HIBERFILE_PROGRESS_MEMORY_RANGES</p>
<p><b>4:</b> HIBERFILE_PROGRESS_TABLE_PAGES</p>
<p><b>5:</b> HIBERFILE_PROGRESS_MEMORY_IMAGE</p>
</td>
<td>
<p>Size of the remaining memory ranges.</p>
</td>
<td>
<p>The hibernation file is too small.</p>
</td>
</tr>
<tr>
<td>
<p>0xC</p>
</td>
<td>
<p>Status code</p>
</td>
<td>
<p>Dump stack context</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>The dump stack failed to initialize.</p>
</td>
</tr>
<tr>
<td>
<p>0x101</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Exception pointer.</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>An unhandled exception occured while processing a system power event. For more information, see <a href="#Bookmark1740">Debugging bug check 0xA0 when parameter 1 equals 0x101</a>.</p>
</td>
</tr>
<tr>
<td>
<p>0x102</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>DUMP_INITIALIZATION_CONTEXT</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>The hibernation working buffer size is not page aligned.</p>
</td>
</tr>
<tr>
<td>
<p>0x103</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>All working pages have failed to be accounted for during the hibernation process.</p>
</td>
</tr>
<tr>
<td>
<p>0x104</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>An attempt was made to map internal hibernation memory while
                the internal memory structures were locked.</p>
</td>
</tr>
<tr>
<td>
<p>0x105</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>An attempt was made to map internal hibernation memory with
                an unsupported memory type flag.</p>
</td>
</tr>
<tr>
<td>
<p>0x106</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>The memory descriptor list (MDL)</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A memory descriptor list was created during the hibernation process which
                describes memory that is not paged-aligned.</p>
</td>
</tr>
<tr>
<td>
<p>0x107</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>PO_MEMORY_RANGE_ARRAY</p>
</td>
<td>
<p>A data mismatch has occurred in the internal hibernation data
                structures.</p>
</td>
</tr>
<tr>
<td>
<p>0x108</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>The disk subsystem failed to properly write part of the hibernation
                file.</p>
</td>
</tr>
<tr>
<td>
<p>0x109</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Expected checksum</p>
</td>
<td>
<p>Actual checksum</p>
</td>
<td>
<p>The checksum for the processor state data does not match its
                expected checksum.</p>
</td>
</tr>
<tr>
<td>
<p>0x10A</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>POP_HIBER_CONTEXT</p>
</td>
<td>
<p>NTSTATUS</p>
</td>
<td>
<p>The disk subsystem failed to properly read or write part of the hibernation
                file.</p>
</td>
</tr>
<tr>
<td>
<p>0x10B</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Current hibernation progress</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>An attempt was made to mark pages for the boot phase of hibernation
                at the wrong time using the PoSetHiberRange API.</p>
</td>
</tr>
<tr>
<td>
<p>0x10C</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Flags provided to the API</p>
</td>
<td>
<p>Length to mark</p>
</td>
<td>
<p>The PoSetHiberRange API was called with invalid parameters.</p>
</td>
</tr>
<tr>
<td>
<p>0x200</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>DEVICE_OBJECT_POWER_EXTENSION</p>
</td>
<td>
<p>An unknown device type is being checked for an idle state.</p>
</td>
</tr>
<tr>
<td>
<p>0x300</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>IRP</p>
</td>
<td>
<p>An unknown status was returned from a battery power IRP.</p>
</td>
</tr>
<tr>
<td>
<p>0x301</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>IRP</p>
</td>
<td>
<p>The battery has entered an unknown state.</p>
</td>
</tr>
<tr>
<td>
<p>0x400</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>IO_STACK_LOCATION</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>A device has overrun its maximum number of reference counts.</p>
</td>
</tr>
<tr>
<td>
<p>0x401</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Pending IRP list</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>Too many inrush power IRPs have been queued.</p>
</td>
</tr>
<tr>
<td>
<p>0x402</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Pending IRP list</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>Too many inrush power IRPs have been queued.</p>
</td>
</tr>
<tr>
<td>
<p>0x403</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Pending IRP list</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>Too many inrush power IRPs have been queued.</p>
</td>
</tr>
<tr>
<td>
<p>0x404</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>IO_STACK_LOCATION</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p>A power IRP has been sent to a passive-level device object.</p>
</td>
</tr>
<tr>
<td>
<p>0x500</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>IRP</p>
</td>
<td>
<p>DEVICE_OBJECT</p>
</td>
<td>
<p> An unknown status was returned from a thermal power IRP.</p>
</td>
</tr>
<tr>
<td>
<p>0x600</p>
</td>
<td>
<p>DEVICE_OBJECT PDO</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A driver has attempted a duplicate registration with the Power
                Runtime Framework.</p>
</td>
</tr>
<tr>
<td>
<p>0x601</p>
</td>
<td>
<p>POP_FX_DEVICE device</p>
</td>
<td>
<p>PEP_DEVICE_REGISTER PEP</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>No Power Engine Plugins accepted device registration.</p>
</td>
</tr>
<tr>
<td>
<p>0x602</p>
</td>
<td>
<p>DEVICE_NODE device node</p>
</td>
<td>
<p>Sleep count</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Device node sleep count does not match its activation count.</p>
</td>
</tr>
<tr>
<td>
<p>0x603</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>Work request type</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A Power Engine Plugin made an invalid work request.</p>
</td>
</tr>
<tr>
<td>
<p>0x605</p>
</td>
<td>
<p>Notification ID</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A Power Engine Plugin failed to accept mandatory device power
                management notification.</p>
</td>
</tr>
<tr>
<td>
<p>0x606</p>
</td>
<td>
<p>POP_FX_COMPONENT</p>
</td>
<td>
<p>POP_FX_COMPONENT_FLAGS</p>
</td>
<td>
<p>New condition for the component</p>
</td>
<td>
<p>A Power Engine Plugin attempted to transition a critical system
                resource component to an Active (or Idle) condition when the resource
                was already Active (or Idle).</p>
</td>
</tr>
<tr>
<td>
<p>0x607</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>NTSTATUS</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>The acquisition of a runtime power management framework device-removal lock failed when it was required to succeed.</p>
</td>
</tr>
<tr>
<td>
<p>0x608</p>
</td>
<td>
<p>POP_FX_COMPONENT</p>
</td>
<td>
<p>POP_FX_COMPONENT_FLAGS</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A driver has attempted to transition a component to idle without
                a preceding active request.</p>
</td>
</tr>
<tr>
<td>
<p>0x609</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>Duplicate Request Type</p>
<p><b>0:</b> DevicePowerRequired</p>
<p><b>1:</b> DevicePowerNotRequired</p>
</td>
<td>
<p>A Power Engine Plugin has requested either device power required
                or device power not required without an intervening request
                of the opposite type.</p>
</td>
</tr>
<tr>
<td>
<p>0x610</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A Power Engine Plugin has requested device power not required
                while a previous device power required request is outstanding.</p>
</td>
</tr>
<tr>
<td>
<p>0x611</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>Invalid component index</p>
</td>
<td>
<p>A Power Engine Plugin has requested an operation on an invalid
                component.</p>
</td>
</tr>
<tr>
<td>
<p>0x612</p>
</td>
<td>
<p>POP_FX_PLUGIN PowerEnginePlugin</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A Power Engine Plugin has requested additional work to be done
                in the context of a device notification where no buffer was
                supplied by PO for the request.</p>
</td>
</tr>
<tr>
<td>
<p>0x613</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>Component index</p>
</td>
<td>
<p>Operation</p>
<p><b>0:</b> Complete device power not required</p>
<p><b>1: </b>Report device powered on</p>
<p><b>2:</b> Complete idle condition</p>
</td>
<td>
<p>A driver has attempted to complete a request when no such
                outstanding request is pending.</p>
</td>
</tr>
<tr>
<td>
<p>0x614</p>
</td>
<td>
<p>POP_FX_DEVICE</p>
</td>
<td>
<p>Component index</p>
</td>
<td>
<p>Illegal parameter</p>
<p><b>0:</b> PO_FX_FLAG_BLOCKING used at IRQL &gt;= DISPATCH_LEVEL</p>
<p><b>1:</b> PO_FX_FLAG_BLOCKING and PO_FX_FLAG_ASYNC_ONLY both specified</p>
<p><b>2:</b> Invalid component index</p>
</td>
<td>
<p>A driver has requested an active/idle transition on a component
                with an illegal parameter.</p>
</td>
</tr>
<tr>
<td>
<p>0x615</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>POP_FX_COMPONENT</p>
</td>
<td>
<p>Illegal Action</p>
<p><b>0:</b> Component not in idle state 0</p>
<p><b>1:</b>Component is already active</p>
<p><b>2:</b> No outstanding activation request</p>
<p><b>3:</b> Outstanding idle state transition</p>
</td>
<td>
<p>A Power Engine Plugin has illegally indicated the completion of
                a component activation.</p>
</td>
</tr>
<tr>
<td>
<p>0x616</p>
</td>
<td>
<p>POP_FX_PLUGIN</p>
</td>
<td>
<p>POP_FX_COMPONENT</p>
</td>
<td>
<p>Illegal Action</p>
<p><b>0:</b> Invalid idle state</p>
<p><b>1:</b> Component is already in the requested state</p>
<p><b>2:</b> Requested a non-zero idle state without passing through idle state 0</p>
</td>
<td>
<p>A Power Engine Plugin has illegally requested a component idle
                state transition.</p>
</td>
</tr>
<tr>
<td>
<p>0x666</p>
</td>
<td>
<p>PPOP_PEP_ACTIVITY</p>
</td>
<td>
<p>New activity type</p>
<p><b>0:</b> DevicePowerOn</p>
<p><b>1:</b> ComponentIdleStateChange</p>
<p><b>2:</b> ComponentActivating</p>
<p><b>3:</b> ComponentActive</p>
<p><b>4:</b> DevicePowerOff</p>
<p><b>5:</b> DeviceSuspend</p>
</td>
<td>
<p>Conflicting activity type</p>
<p><b>0:</b> DevicePowerOn</p>
<p><b>1:</b> ComponentIdleStateChange</p>
<p><b>2:</b> ComponentActivating</p>
<p><b>3:</b> ComponentActive</p>
<p><b>4:</b> DevicePowerOff</p>
<p><b>5:</b> DeviceSuspend</p>
</td>
<td>
<p>The default Power Engine Plugin has attempted to trigger a new
                activity that conflicts with another activity.</p>
</td>
</tr>
<tr>
<td>
<p>0x667</p>
</td>
<td>
<p>POP_PEP_ACTIVITY</p>
</td>
<td>
<p>Activity type</p>
<p><b>0:</b> DevicePowerOn</p>
<p><b>1:</b> ComponentIdleStateChange</p>
<p><b>2:</b> ComponentActivating</p>
<p><b>3:</b> ComponentActive</p>
<p><b>4:</b> DevicePowerOff</p>
<p><b>5:</b> DeviceSuspend</p>
</td>
<td>
<p>POP_PEP_ACTIVITY_STATUS</p>
</td>
<td>
<p>Default Power Engine Plugin has attempted to complete an
                activity that is not running.</p>
</td>
</tr>
<tr>
<td>
<p>0x700</p>
</td>
<td>
<p>PEPHANDLE</p>
</td>
<td>
<p>PEP_PPM_IDLE_SELECT</p>
</td>
<td>
<p>Reserved</p>
</td>
<td>
<p>A Power Engine Plugin has specified invalid processor idle
                dependencies.</p>
</td>
</tr>
<tr>
<td>
<p>0x701</p>
</td>
<td>
<p>The index of the selected idle state of the hung processor</p>
</td>
<td>
<p>The PRCB address of the hung processor</p>
</td>
<td>
<p>The index of the hung processor</p>
</td>
<td>
<p>A processor was not able to complete an idle transition within
                the allocated interval. This indicates the specified processor
                is hung.</p>
</td>
</tr>
<tr>
<td>
<p>0x702</p>
</td>
<td>
<p>The index of the selected idle state of the processor</p>
</td>
<td>
<p>The idle synchronization state of the processor</p>
</td>
<td>
<p>The PRCB address of the hung processor</p>
</td>
<td>
<p>A processor woke up from a non-interruptible state without the 
                the OS initiating an explicit wake through the PEP (using the
                necessary PPM idle synchronization).</p>
</td>
</tr>
</table>
<p> </p>
<h2>Resolution</h2>
<p><b>General Notes</b></p>
<p>In the preceding table, several of the parameters are pointers to structures. For example, if Parameter 2 is listed as DEVICE_OBJECT, then Parameter 2 is a pointer to a DEVICE_OBJECT structure. Some of the structures are defined in wdm.h, which is included in the Windows Driver Kit. For example, the following structures are defined in wdm.h.</p>
<ul>
<li>EXCEPTION_POINTERS</li>
<li>DEVICE_OBJECT</li>
<li>IO_STACK_LOCATION</li>
<li>PEP_DEVICE_REGISTER</li>
</ul>
<p>Some of the structures that appear in the preceding table are not defined in any public header file. You can see the definitions of those structures by using the <a href="#Bookmark1991"><b>dt</b></a> debugger command. The following example shows how to use the <b>dt</b> command to see the <b>DEVICE_OBJECT_POWER_EXTENSION</b> structure.</p>
<pre class="syntax" xml:space="preserve"><code>3: kd&gt; dt nt!DEVICE_OBJECT_POWER_EXTENSION
   +0x000 IdleCount        : Uint4B
   +0x004 BusyCount        : Uint4B
   +0x008 BusyReference    : Uint4B
   +0x00c TotalBusyCount   : Uint4B
   +0x010 ConservationIdleTime : Uint4B
   +0x014 PerformanceIdleTime : Uint4B
   +0x018 DeviceObject     : Ptr64 _DEVICE_OBJECT
   +0x020 IdleList         : _LIST_ENTRY
   +0x030 IdleType         : _POP_DEVICE_IDLE_TYPE
   +0x034 IdleState        : _DEVICE_POWER_STATE
   +0x038 CurrentState     : _DEVICE_POWER_STATE
   +0x040 Volume           : _LIST_ENTRY
   +0x050 Specific         : &lt;unnamed-tag&gt;
</code></pre>
<p>The following procedures will help you debug certain instances of this bug check.</p><a id="parameter_1_equals_0x2"></a><a id="PARAMETER_1_EQUALS_0X2"></a><p><b>Debugging bug check 0xA0 when Parameter 1 equals 0x2</b></p>
<ol>
<li>Examine the stack. Look for the <b>ntoskrnl!PopExceptionFilter</b> function. This function contains the following code as its first argument.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre> (error_code &lt;&lt; 16) | _LINE_</pre>
</td>
</tr>
</table></span></div>
<p>If the caller is <b>PopExceptionFilter</b>, the first argument to this function is of type PEXCEPTION_POINTERS. Note the value of this argument.</p>
</li>
<li>Use the  <a href="#Bookmark1991"><b>dt (Display Type)</b></a>  command and specify the value that you found in the previous step as <i>argument</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>dt nt!_EXCEPTION_POINTERS argument </pre>
</td>
</tr>
</table></span></div>
<p>This command displays the structure.  Note the address of the context record.</p>
</li>
<li>Use the  <a href="#Bookmark2078"><b>.cxr (Display Context Record)</b></a>  command and specify the context record that you found in the previous step as <i>record</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>.cxr record </pre>
</td>
</tr>
</table></span></div>
<p>This command sets the  register context  to the proper value.</p>
</li>
<li>
<p>Use a variety of commands to analyze the source of the error. Start with  <a href="#Bookmark2004"><b>kb (Display Stack Backtrace)</b></a> . </p>
</li>
</ol><a id="parameter_1_equals_0x7"></a><a id="PARAMETER_1_EQUALS_0X7"></a><p><b>Debugging bug check 0xA0 when Parameter 1 equals 0x7</b></p>
<ol>
<li>
<p>Examine the stack. Look for the <b>ntoskrnl!PopExceptionFilter</b> function. The first argument to this function is of type PEXCEPTION_POINTERS. Note the value of this argument.</p>
</li>
<li>Use the  <a href="#Bookmark1991"><b>dt (Display Type)</b></a>  command and specify the value that you found in the previous step as <i>argument</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>dt nt!_EXCEPTION_POINTERS argument </pre>
</td>
</tr>
</table></span></div>
<p>This command displays the structure. Note the address of the context record.</p>
</li>
<li>Use the  <a href="#Bookmark2078"><b>.cxr (Display Context Record)</b></a>  command and specify the context record that you found in the previous step as <i>record</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>.cxr record </pre>
</td>
</tr>
</table></span></div>
<p>This command sets the  register context to the proper value.</p>
</li>
<li>
<p>Use a variety of commands to analyze the source of the error. Start with  <a href="#Bookmark2004"><b>kb (Display Stack Backtrace)</b></a> . </p>
</li>
</ol><a id="parameter_1_equals_0x101"></a><a id="PARAMETER_1_EQUALS_0X101"></a><p><b>Debugging bug check 0xA0 when Parameter 1 equals 0x101</b></p>
<ol>
<li>Use the  <a href="#Bookmark1991"><b>dt (Display Type)</b></a>  command and specify the value of Parameter 3 as <i>argument</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>dt nt!_EXCEPTION_POINTERS argument </pre>
</td>
</tr>
</table></span></div>
<p>This command displays the structure. Note the address of the context record.</p>
</li>
<li>Use the  <a href="#Bookmark2078"><b>.cxr (Display Context Record)</b></a>  command and specify the context record that you found the previous step as <i>record</i>.<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>.cxr record </pre>
</td>
</tr>
</table></span></div>
<p>This command sets the  register context to the proper value.</p>
</li>
<li>
<p>Use a variety of commands to analyze the source of the error. Start with  <a href="#Bookmark2004"><b>kb (Display Stack Backtrace)</b></a> . </p></li></ol></div></div>	
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